Inventor · disambiguated record
Mahesan Chelvayohan
Also filed as: CHELVAYOHAN MAHESAN
28 granted patents·3 pending applications·497 citations·filing 1994–2010
97Inventor score
Top patents by PatentIndex Score
31 records- 0193US6914684B1Method and apparatus for detecting media typeLEXMARK INT INC·Filed 2001·Granted Jul 5, 2005·49 cites·25 claims
- 0289US6900449B2Media type sensing method for an imaging apparatusLEXMARK INT INC·Filed 2003·Granted May 31, 2005·62 cites·21 claims
- 0389US6067840AMethod and apparatus for infrared sensing of gasTEXAS INSTRUMENTS INC·Filed 1998·Granted May 30, 2000·92 cites·17 claims
- 0488US6794669B2Media sensing apparatus for detecting an absence of print mediaLEXMARK INT INC·Filed 2002·Granted Sep 21, 2004·37 cites·15 claims
- 0587US7746517B2Image illumination and capture in a scanning deviceLEXMARK INT INC·Filed 2007·Granted Jun 29, 2010·9 cites·14 claims
- 0687US6360582B1Method for calibration of chemical sensor in measuring changes in chemical concentrationTEXAS INSTRUMENTS INC·Filed 2000·Granted Mar 26, 2002·34 cites·7 claims
- 0786US7049620B2Media type sensing method for an imaging apparatusLEXMARK INT INC·Filed 2005·Granted May 23, 2006·7 cites·5 claims
- 0885US6713775B2Method to correct for sensitivity variation of media sensorsLEXMARK INT INC·Filed 2002·Granted Mar 30, 2004·28 cites·15 claims
- 0982US7205561B2Media sensor apparatus using a two component media sensor for media absence detectionLEXMARK INT INC·Filed 2004·Granted Apr 17, 2007·24 cites·18 claims
- 1075US7198265B2Imaging apparatus including a movable media sensorLEXMARK INT INC·Filed 2004·Granted Apr 3, 2007·13 cites·16 claims
- 1175US6998628B2Method of media type differentiation in an imaging apparatusLEXMARK INT INC·Filed 2002·Granted Feb 14, 2006·16 cites·16 claims
- 1274US7529007B2Methods of identifying the type of a document to be scannedLEXMARK INT INC·Filed 2005·Granted May 5, 2009·4 cites·20 claims
- 1372US7744077B2Jam-door open sensing using media sensor and method for use thereofLEXMARK INT INC·Filed 2004·Granted Jun 29, 2010·11 cites·28 claims
- 1470US6962078B2Liquid level detection gauge and associated methodsLEXMARK INT INC·Filed 2002·Granted Nov 8, 2005·13 cites·22 claims
- 1567US7681980B2Ink identification and detection system with ink for use therewithLEXMARK INT INC·Filed 2007·Granted Mar 23, 2010·2 cites·14 claims
- 1665US7185885B2Print media depletion detection in an imaging apparatusLEXMARK INT INC·Filed 2003·Granted Mar 6, 2007·9 cites·15 claims
- 1765US5635136AApparatus for sensing combustible gases employing an oxygen-activated sensing elementUNIV ARIZONA·Filed 1995·Granted Jun 3, 1997·21 cites·14 claims
- 1862US7693329B2Bound document scanning method and apparatusLEXMARK INT INC·Filed 2004·Granted Apr 6, 2010·8 cites·35 claims
- 1962US7518762B2Illuminated media position indicator and method of useLEXMARK INT INC·Filed 2004·Granted Apr 14, 2009·5 cites·29 claims
- 2062US7358997B2Multiple resolution optical imager using single size image elementsLEXMARK INT INC·Filed 2004·Granted Apr 15, 2008·5 cites·23 claims
- 2162US7013804B2Method of ink level determination for multiple ink chambersLEXMARK INT INC·Filed 2003·Granted Mar 21, 2006·8 cites·20 claims
- 2260US7926896B2Print media detection in an imaging apparatusLEXMARK INT INC·Filed 2008·Granted Apr 19, 2011·1 cites·34 claims
- 2357US6590223B1Apparatus and method for media presence detectionLEXMARK INT INC·Filed 2001·Granted Jul 8, 2003·15 cites·21 claims
- 2456US7224493B2Imaging apparatus having a media sensorLEXMARK INT INC·Filed 2002·Granted May 29, 2007·6 cites·13 claims
- 2553US7401878B2Print media detection in an imaging apparatusLEXMARK INT INC·Filed 2004·Granted Jul 22, 2008·4 cites·16 claims
- 2652US5521099AMethod and apparatus for sensing combustible gases employing and oxygen-activated sensing elementUNIV ARIZONA·Filed 1994·Granted May 28, 1996·14 cites·13 claims
- 2748US7835041B2Method and device for reducing a size of a scanning deviceLEXMARK INT INC·Filed 2005·Granted Nov 16, 2010·0 cites·50 claims
- 2848US2009067005A1Methods For Smart Copying With Improved Scanning EfficiencyCHELVAYOHAN MAHESAN·Filed 2007·Application pending·0 cites
- 2944US8705147B2Image illumination and capture in a scanning deviceMILLER MARK ERIC·Filed 2010·Granted Apr 22, 2014·0 cites·18 claims
- 3040US2008079956A1Hand-Held Printer Having An Integrated Digital Camera ScannerCHELVAYOHAN MAHESAN·Filed 2006·Application pending·0 cites
- 3138US2007040858A1Systems, methods and apparatuses for sensing ink container and ink presenceLEXMARK INT INC·Filed 2005·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →